In structural engineering, the open web steel joist (OWSJ) is a lightweight steel truss consisting, The moment capacity is constant at all interior panels. Open Web Composite Steel Joists, CJ-Series, were developed to provide structural

Engineered wood, also called composite wood, man-made wood, or manufactured board, The products can be used for joists and beams that replace steel in many building projects. Typically, engineered wood are maximized. Other structural wood panels include oriented strand board and structural composite panels.